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Add capability to read chip ID and revision from ver command

This commit is contained in:
Lorenz Meier 2014-11-15 13:48:49 +01:00
parent 780451dd65
commit 4bcb269741
1 changed files with 84 additions and 1 deletions
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85
src/systemcmds/ver/ver.c
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@ -53,13 +53,38 @@ static const char sz_ver_bdate_str[] = "bdate";
static const char sz_ver_gcc_str[] = "gcc";
static const char sz_ver_all_str[] = "all";
#ifdef CONFIG_ARCH_CHIP_STM32
#include <up_arch.h>
static const char mcu_ver_str[] = "mcu";
#define DBGMCU_IDCODE 0xE0042000
#define STM32F40x_41x 0x413
#define STM32F42x_43x 0x419
#define REVID_MASK 0xFFFF0000
#define DEVID_MASK 0xFFF
/* magic numbers from reference manual */
enum STM32F4_REV {
STM32F4_REV_A = 0x1000,
STM32F4_REV_Z = 0x1001,
STM32F4_REV_Y = 0x1003,
STM32F4_REV_1 = 0x1007,
STM32F4_REV_3 = 0x2001
};
#else
#error stm32
#endif
static void usage(const char *reason)
{
if (reason != NULL) {
printf("%s\n", reason);
}
printf("usage: ver {hw|hwcmp|git|bdate|gcc|all}\n\n");
printf("usage: ver {hw|hwcmp|git|bdate|gcc|all|mcu}\n\n");
}
__EXPORT int ver_main(int argc, char *argv[]);
@ -107,6 +132,64 @@ int ver_main(int argc, char *argv[])
printf("GCC toolchain: %s\n", __VERSION__);
ret = 0;
#ifdef CONFIG_ARCH_CHIP_STM32
} else if (!strncmp(argv[1], mcu_ver_str, sizeof(mcu_ver_str))) {
uint32_t abc = getreg32(DBGMCU_IDCODE);
uint32_t chip_version = abc & DEVID_MASK;
enum STM32F4_REV revid = (abc & REVID_MASK) >> 16;
printf("CHIP TYPE: ");
switch (revid) {
case STM32F40x_41x:
printf("STM32F40x");
break;
case STM32F42x_43x:
printf("STM32F42x");
break;
default:
printf("STM32F???");
break;
}
char rev;
switch (chip_version) {
case STM32F4_REV_A:
rev = 'A';
break;
case STM32F4_REV_Z:
rev = 'Z';
break;
case STM32F4_REV_Y:
rev = 'Y';
break;
case STM32F4_REV_1:
rev = '1';
break;
case STM32F4_REV_3:
rev = '3';
break;
default:
rev = '?';
break;
}
printf("\nHW REV: %c\n", rev);
if (rev < STM32F4_REV_3) {
printf("\n\nWARNING WARNING WARNING!\n"
"Revision %c has a silicon errata\n"
"on USB connectivity combined with\n"
"flash bank #2. This device can only\n"
"utilize a maximum of 1MB flash safely!\n"
"http://px4.io/help/errata\n", rev);
}
ret = 0;
#endif
} else {
errx(1, "unknown command.\n");
}